某些植物的珠被和珠心细胞形成完全正常的胚.The cells of the integument and nucellus of some plants form perfectly normal embryos.大多数被子植物的胚珠有两层珠被, 而裸子植物通常只有一层.Most angiosperm ovules possess two integuments, while gymnosperms usually have only ...
Calcite is the dominant gangue mineral in the Furong tin polymetallic deposit.方解石是芙蓉锡矿田重要的脉石矿物.L: CD stands for Certificate of Deposit, while Eurodollar means US dollar in a European bank.朗: CD是英文中“存款单”的简称, 而欧元指的是欧洲银行的美元...
该弃儿被人们发现时安然无恙。The child was found abandoned but unharmed.不一会儿,汤姆碰上了村里的少年弃儿.Shortly Tom came upon the juvenile pariah of the village.珠儿生来便是那婴孩天地的弃儿.Pearl was a born outcast of the infantile world....